.chat-window-title {
    height: 40px;
    line-height: 40px;
    font-size: 20px;
    padding-top: 3px;
    background-color: #D4E0EE;
    position: absolute;
    width: 100%;
    text-align: center;
    box-sizing: border-box;
  }
  .chat-window-content {
    position: absolute;
    top: 40px;
    bottom: 126px;
    width: 100%;
    overflow-y: auto;
  }
  .chat-window-content ul {
    margin: 0;
    padding: 0;
    list-style: none;
  }
  .chat-window-content ul li {
    min-height: 60px;
    clear: both;
  }
  .chat-window-content ul li img {
    width: 50px;
    height: 50px;
    padding-top: 5px;
    padding-left: 5px;
    vertical-align : top; 
    float: left;
  }
  .chat-window-content ul li span {
    display: inline-block;
    font-size: 20px;
    background-color: #fff;
    padding: 5px 10px;
    margin: 10px 60px 0 10px;
    width: 65%;
    min-height: 50px;
    float: left;
    box-sizing: border-box;
    word-break: break-all; 
    word-wrap:break-word;
  }
  .chat-window-content ul li.chat-info-right img {
    float: right;
    padding-right: 5px;
  }
  .chat-window-content ul li.chat-info-right span {
    float: right;
    margin: 10px 6px 0 60px;
  }
  .chat-window-input {
    width: 100%;
    position: absolute;
    bottom: 0;
    background-color: #21B97A;
    min-height: 60px;
    text-align: right;
    padding: 5px;
  }
  .chat-ret-btn {
    position: absolute;
    left: 0;
    top: 8px;
  }
  .ui.form textarea {
    margin-bottom: 5px;
  }